*
{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: monospace;
}
body 
{
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	background: #e5d4be;
}
.container 
{
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	gap: 30px;
	background: #ffffff7a;
	padding: 40px 60px;
}
h2 
{
	font-size: 3em;
	color:c69a5f;
	text-transform: uppercase;
	letter-spacing: 0.1em;
}
.reset 
{
	padding: 15px 20px;
	color: c69a5f;
	background: #fff;
	border: none;
	font-size: 1.5em;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	cursor: pointer;
	font-weight: 600;
}
.reset:focus 
{
	color: #fff;
	background: #c1975d;
}
.game 
{
	width: 430px;
	height: 430px;
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	transform-style: preserve-3d;
	perspective: 500px;
}
.item 
{
	position: relative;
	width: 100px;
	height: 100px;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 3em;
	background: #fff;
	transform: rotateY(180deg);
	transition: 0.25s;
}
.item.boxOpen 
{
	transform: rotateY(0deg);
}
.item::after 
{
	content: '';
	position: absolute;
	inset: 0;
	background: #c1975d;
	transition: 0.25s;
	transform: rotateY(0deg);
	backface-visibility: hidden;
}
.boxOpen:after ,
.boxMatch:after
{
	transform: rotateY(180deg);
}